XML 67 R51.htm IDEA: XBRL DOCUMENT v3.6.0.2
Balance Sheet Components - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2016
Jun. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Balance Sheet Components [Abstract]          
Depreciation expense     $ 1,445,000 $ 1,995,000 $ 2,051,000
Outstanding obligations related to construction-in-progress     0 30,000  
Capitalized interest costs     0 $ 0 $ 972,000
Fill/Finish Line          
Impaired Long-Lived Assets Held and Used [Line Items]          
Loss on impairment of long-lived assets $ 7,200,000 $ 1,900,000 9,100,000    
Remaining book value of impaired long-lived assets 5,100,000   5,100,000    
Other Assets          
Impaired Long-Lived Assets Held and Used [Line Items]          
Remaining book value of impaired long-lived assets $ 200,000   $ 200,000